192 	struct swap_info_struct *sis = swap_info[type];  in __frontswap_init()  local
195 	VM_BUG_ON(sis == NULL);  in __frontswap_init()
208 	frontswap_map_set(sis, map);  in __frontswap_init()
215 bool __frontswap_test(struct swap_info_struct *sis,  in __frontswap_test()  argument
218 	if (sis->frontswap_map)  in __frontswap_test()
219 		return test_bit(offset, sis->frontswap_map);  in __frontswap_test()
224 static inline void __frontswap_set(struct swap_info_struct *sis,  in __frontswap_set()  argument
227 	set_bit(offset, sis->frontswap_map);  in __frontswap_set()
228 	atomic_inc(&sis->frontswap_pages);  in __frontswap_set()
231 static inline void __frontswap_clear(struct swap_info_struct *sis,  in __frontswap_clear()  argument
234 	clear_bit(offset, sis->frontswap_map);  in __frontswap_clear()
235 	atomic_dec(&sis->frontswap_pages);  in __frontswap_clear()
250 	struct swap_info_struct *sis = swap_info[type];  in __frontswap_store()  local
256 	VM_BUG_ON(sis == NULL);  in __frontswap_store()
264 	if (__frontswap_test(sis, offset)) {  in __frontswap_store()
265 		__frontswap_clear(sis, offset);  in __frontswap_store()
277 		__frontswap_set(sis, offset);  in __frontswap_store()
299 	struct swap_info_struct *sis = swap_info[type];  in __frontswap_load()  local
305 	VM_BUG_ON(sis == NULL);  in __frontswap_load()
307 	if (!__frontswap_test(sis, offset))  in __frontswap_load()
320 			__frontswap_clear(sis, offset);  in __frontswap_load()
333 	struct swap_info_struct *sis = swap_info[type];  in __frontswap_invalidate_page()  local
337 	VM_BUG_ON(sis == NULL);  in __frontswap_invalidate_page()
339 	if (!__frontswap_test(sis, offset))  in __frontswap_invalidate_page()
344 	__frontswap_clear(sis, offset);  in __frontswap_invalidate_page()
355 	struct swap_info_struct *sis = swap_info[type];  in __frontswap_invalidate_area()  local
359 	VM_BUG_ON(sis == NULL);  in __frontswap_invalidate_area()
361 	if (sis->frontswap_map == NULL)  in __frontswap_invalidate_area()
366 	atomic_set(&sis->frontswap_pages, 0);  in __frontswap_invalidate_area()
367 	bitmap_zero(sis->frontswap_map, sis->max);  in __frontswap_invalidate_area()